code: def download_fgvc_aircraft(root: str):
      """
      Download the FGVC Aircraft dataset archives and expand them
      in the folder provided as parameter
      """
      url_folder = "https://www.robots.ox.ac.uk/~vgg/data/fgvc-aircraft/archives/"
      for url_file in [
          "fgvc-aircraft-2013b.tar.gz",
          "fgvc-aircraft-2013b-annotations.tar.gz",
      ]:
          download_and_extract_archive(url_folder + url_file, root)
  
file_path: vissl/extra_scripts/datasets/create_fgvc_aircraft_data_files.py
imports: import argparse
  import os
  import shutil
  from tqdm import tqdm
  from vissl.utils.download import download_and_extract_archive
label_desc: Use image node_id 2 for calling a global function with example usage: download_fgvc_aircraft(root) without return types